TikTok’s service in the United States was restored on Sunday after the app briefly went offline due to a federal ban which left millions of American users temporarily locked out.The short-lived blackout, which began on Saturday night, followed the US Supreme Court’s decision to uphold a law banning TikTok on national security grounds unless its Chinese parent company, ByteDance, agreed to sell it.By Sunday afternoon, however, the app soon flickered back to life and was online for US users.For all the latest headlines, follow our Google News channel online or via the app.TikTok attributed the swift restoration to the efforts of incoming President Donald Trump, crediting him for providing the platform with a lifeline.Trump, who had supported a TikTok ban during his first term, pledged to issue an executive order immediately after taking office to postpone the ban to allow time to “make a deal.”For now, it’s business as usual for the wildly popular app, but its long-term survival remains